[Webkit-unassigned] [Bug 244754] String prototype functions are slower in JSC than V8

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Sep 2 20:25:30 PDT 2022


https://bugs.webkit.org/show_bug.cgi?id=244754

Yusuke Suzuki <ysuzuki at apple.com> changed:

           What    |Removed                     |Added
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                 CC|                            |ysuzuki at apple.com

--- Comment #1 from Yusuke Suzuki <ysuzuki at apple.com> ---
startsWith and indexOf are already nice.
I think we should handle substring, substr, slice in DFG to avoid type check for double / int32 etc. And some case, we should do constant folding.

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